<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <style>
        .login-header {
            width: 100%;
            text-align: center;
            height: 30px;
            font-size: 24px;
            line-height: 30px;
        }
        
        ul,
        li,
        ol,
        dl,
        dt,
        dd,
        div,
        p,
        span,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        a {
            padding: 0px;
            margin: 0px;
        }
        
        .login {
            display: none;
            width: 512px;
            height: 280px;
            position: fixed;
            border: #ebebeb solid 1px;
            left: 50%;
            top: 50%;
            background: #ffffff;
            box-shadow: 0px 0px 20px #ddd;
            z-index: 9999;
            transform: translate(-50%, -50%);
        }
        
        .login-title {
            width: 100%;
            margin: 10px 0px 0px 0px;
            text-align: center;
            line-height: 40px;
            height: 40px;
            font-size: 18px;
            position: relative;
            cursor: move;
        }
        
        .login-input-content {
            margin-top: 20px;
        }
        
        .login-button {
            width: 50%;
            margin: 30px auto 0px auto;
            line-height: 40px;
            font-size: 14px;
            border: #ebebeb 1px solid;
            text-align: center;
        }
        
        .login-bg {
            display: none;
            width: 100%;
            height: 100%;
            position: fixed;
            top: 0px;
            left: 0px;
            background: rgba(0, 0, 0, .3);
        }
        
        a {
            text-decoration: none;
            color: #000000;
        }
        
        .login-button a {
            display: block;
        }
        
        .login-input input.list-input {
            float: left;
            line-height: 35px;
            height: 35px;
            width: 350px;
            border: #ebebeb 1px solid;
            text-indent: 5px;
        }
        
        .login-input {
            overflow: hidden;
            margin: 0px 0px 20px 0px;
        }
        
        .login-input label {
            float: left;
            width: 90px;
            padding-right: 10px;
            text-align: right;
            line-height: 35px;
            height: 35px;
            font-size: 14px;
        }
        
        .login-title span {
            position: absolute;
            font-size: 12px;
            right: -20px;
            top: -30px;
            background: #ffffff;
            border: #ebebeb solid 1px;
            width: 40px;
            height: 40px;
            border-radius: 20px;
        }
    </style>
    </head>

    <body>
        <div class="login-header"><a id="link" href="javascript:;">点击，弹出登录框</a></div>
        <div id="login" class="login">
            <div id="title" class="login-title">登录会员
                <span><a id="closeBtn" href="javascript:void(0);" class="close-login">关闭</a></span>
            </div>
            <div class="login-input-content">
                <div class="login-input">
                    <label>用户名：</label>
                    <input type="text" placeholder="请输入用户名" name="info[username]" id="username" class="list-input">
                </div>
                <div class="login-input">
                    <label>登录密码：</label>
                    <input type="password" placeholder="请输入登录密码" name="info[password]" id="password" class="list-input">
                </div>
            </div>
            <div id="loginBtn" class="login-button"><a href="javascript:void(0);" id="login-button-submit">登录会员</a>
            </div>
        </div>
        <!-- 遮盖层 -->
        <div id="bg" class="login-bg"></div>
        <script src="js/public.js"></script>
        <script>
            var link = $('#link')
            var mask = $('#bg')
            var login = $('#login')
            var Btn = $('#closeBtn')
            var title = $('.login-title')
            link.addEventListener('click', function() {
                login.style.display = 'block'
                mask.style.display = 'block'
            })
            Btn.addEventListener('click', function() {
                login.style.display = 'none'
                mask.style.display = 'none'
            })
            title.addEventListener('mousedown', function(e) {
                var x = e.pageX - login.offsetLeft
                var y = e.pageY - login.offsetTop
                document.addEventListener('mousemove', move)

                function move(e) {
                    login.style.left = e.pageX - x + 'px'
                    login.style.top = e.pageY - y + 'px'
                }

                document.addEventListener('mouseup', function() {
                    document.removeEventListener('mousemove', move)
                })

            })
        </script>
    </body>

</html>